Chevrolet Express Service Bulletins (2023)

382 manufacturer communications on file.

• March 11, 2024•Document ID: 10251909

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-170

  Date Added:

  March 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.

  Associated Products (59)

  2024 Cadillac CT52024 Cadillac Escalade2024 Chevrolet Camaro2024 Chevrolet Corvette2024 Chevrolet Express2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Savana2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Express2023 Chevrolet Silverado2023 Chevrolet Suburban+ 39 more
  Associated Documents

  • DownloadMC-10251909-0001.pdf↗
• March 11, 2024•Document ID: 10251888

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  07-00-89-037S

  Date Added:

  March 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (842)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu+ 822 more
  Associated Documents

  • DownloadMC-10251888-0001.pdf↗
• March 10, 2024•Document ID: 10251889

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  11-00-89-005X

  Date Added:

  March 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

  Associated Products (542)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu+ 522 more
  Associated Documents

  • DownloadMC-10251889-0001.pdf↗
• March 7, 2024•Document ID: 10253071

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5964A

  Date Added:

  April 15, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.

  Associated Products (59)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac Escalade2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Savana2023 GMC Sierra2023 GMC Terrain+ 39 more
  Associated Documents

  • DownloadMC-10253071-0001.pdf↗
• March 4, 2024•Document ID: 10251635

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  24-NA-040

  Date Added:

  March 15, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.

  Associated Products (427)

  2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 407 more
  Associated Documents

  • DownloadMC-10251635-0001.pdf↗
• March 1, 2024•Document ID: 10253057

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

  Mfr Comm. #:

  PIT6124B

  Date Added:

  April 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an engineering investigation the concern with Bluetooth missing from vehicles that show as built with Bluetooth.

  Associated Products (2)

  2023 Chevrolet Express2023 GMC Savana
  Associated Documents

  • DownloadMC-10253057-0001.pdf↗
• March 1, 2024•Document ID: 10251513

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 7, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

  Associated Products (638)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu+ 618 more
  Associated Documents

  • DownloadMC-10251513-0001.pdf↗
• February 28, 2024•Document ID: 10251348

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STEERING; STRUCTURE; SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-037

  Date Added:

  March 6, 2024

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of no start, hard start with belt squeal, belt break, loss of power steering and/or power brake assist.

  Associated Products (4)

  2024 Chevrolet Express2024 GMC Savana2023 Chevrolet Express2023 GMC Savana
  Associated Documents

  • DownloadMC-10251348-0001.pdf↗
• February 27, 2024•Document ID: 10251720

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5968

  Date Added:

  March 18, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.

  Associated Products (82)

  2024 Cadillac CT42024 Chevrolet Express2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado+ 62 more
  Associated Documents

  • DownloadMC-10251720-0001.pdf↗
• February 23, 2024•Document ID: 10251715

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5966

  Date Added:

  March 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement

  Associated Products (82)

  2024 Cadillac CT42024 Chevrolet Express2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado+ 62 more
  Associated Documents

  • DownloadMC-10251715-0001.pdf↗
• February 23, 2024•Document ID: 10251714

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5964

  Date Added:

  March 18, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.

  Associated Products (60)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac Escalade2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Savana2023 GMC Sierra2023 GMC Terrain+ 40 more
  Associated Documents

  • DownloadMC-10251714-0001.pdf↗
• February 22, 2024•Document ID: 10250775

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-074

  Date Added:

  February 29, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

  Associated Products (1146)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 1126 more
  Associated Documents

  • DownloadMC-10250775-0001.pdf↗
• February 9, 2024•Document ID: 10251688

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; EQUIPMENT:ELECTRICAL:INFOTAINMENT

  Mfr Comm. #:

  PIT6124A

  Date Added:

  March 18, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an engineering investigation the concern with Bluetooth missing from vehicles that show as built with Bluetooth.

  Associated Products (2)

  2023 Chevrolet Express2023 GMC Savana
  Associated Documents

  • DownloadMC-10251688-0001.pdf↗
• February 7, 2024•Document ID: 10250505

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  19-NA-044

  Date Added:

  February 21, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

  Associated Products (629)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 609 more
  Associated Documents

  • DownloadMC-10250505-0001.pdf↗
• February 7, 2024•Document ID: 10250503

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  February 21, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

  Associated Products (595)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 575 more
  Associated Documents

  • DownloadMC-10250503-0001.pdf↗
• February 5, 2024•Document ID: 10251682

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIT6124

  Date Added:

  March 18, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an engineering investigation the concern with Bluetooth missing from vehicles that show as built with Bluetooth.

  Associated Products (1)

  2023 Chevrolet Express
  Associated Documents

  • DownloadMC-10251682-0001.pdf↗
• February 2, 2024•Document ID: 10250347

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  16-NA-338

  Date Added:

  February 17, 2024

  Manufacturer:

  GMC

  Summary

  This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

  Associated Products (733)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 713 more
  Associated Documents

  • DownloadMC-10250347-0001.pdf↗
• January 30, 2024•Document ID: 10250276

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.

  Associated Products (201)

  2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 181 more
  Associated Documents

  • DownloadMC-10250276-0001.pdf↗
• January 29, 2024•Document ID: 10250278

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-189

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.

  Associated Products (201)

  2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 181 more
  Associated Documents

  • DownloadMC-10250278-0001.pdf↗
• January 22, 2024•Document ID: 10249137

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  N232425850

  Date Added:

  January 23, 2024

  Manufacturer:

  GMC

  Summary

  Service Update - Certain vehicles may have a condition in which the fuel tank fuel pump module manifold connector is not completely clipped to fuel pump housing. Dealers are to replace the Fuel Tank Fuel Pump Module.

  Associated Products (4)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Express2023 GMC Savana
  Associated Documents

  • DownloadMC-10249137-0001.pdf↗